IBM Support

Altering the JVM memory size to combat a java/lang/OutOfMemoryError in WTX/ITX Launcher

Troubleshooting


Problem

When using the IBM WebSphere Transformation Extender (WTX / IBM Transformation Extender (ITX) Launcher it is sometimes necessary to alter the JVM size. There are Java options Xmx and Xms for altering the size of the JVM memory footprint.

Symptom

You may want to alter the JVM memory size to combat or mitigate a java/lang/OutOfMemoryError in WTX/ITX Launcher

Cause

The system of maps under Launcher control (and any Java actions called from therein) may require more memory than the initial JVM settings supplied with the product.

Environment

IBM WebSphere Transformation Extender (WTX / IBM Transformation Extender (ITX) running under any supported operating system

Diagnosing The Problem

JVM crashes with java/lang/OutOfMemoryError message.

Resolving The Problem

A larger JVM memory footprint may be obtained with the following settings:

[JVMOptions]
option1=-Xms1024m
option2=-Xmx2048m
;option1=
;option2=
;...

... in the dtx.ini file.

[{"Product":{"code":"SSVSD8","label":"IBM Transformation Extender"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":"Launcher","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"9.0.0.1;9.0.0.0;9.0;8.4.1.4;8.4.1.3;8.4.1.2;8.4.1.1;8.4.1;8.4.0.5;8.4.0.4;8.4.0.3;8.4.0.2;8.4.0.1;8.4","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Document Information

More support for:
IBM Transformation Extender

Software version:
9.0.0.1, 9.0.0.0, 9.0, 8.4.1.4, 8.4.1.3, 8.4.1.2, 8.4.1.1, 8.4.1, 8.4.0.5, 8.4.0.4, 8.4.0.3, 8.4.0.2, 8.4.0.1, 8.4

Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows, z/OS

Document number:
560503

Modified date:
16 June 2018

UID

swg22003247

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